View article: Selenium, Selenoproteins, and Immunity
Selenium, Selenoproteins, and Immunity Open
Selenium is an essential micronutrient that plays a crucial role in development and a wide variety of physiological processes including effect immune responses. The immune system relies on adequate dietary selenium intake and this nutrient…
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An Overview of Selenium Uptake, Metabolism, and Toxicity in Plants Open
Selenium (Se) is an essential micronutrient for humans and animals, but lead to toxicity when taken in excessive amounts. Plants are the main source of dietary Se, but essentiality of Se for plants is still controversial. However, Se at lo…
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A meta-analysis of randomized controlled trials Open
Background: To understand the clinical outcomes of selenium therapy in patients with sepsis syndrome, we conducted a meta-analysis of randomized controlled trials (RCT). Methods: A total of 13 RCTs comparing selenium and placebo for patien…
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Atomic weights of the elements 2013 (IUPAC Technical Report) Open
The biennial review of atomic-weight determinations and other cognate data has resulted in changes for the standard atomic weights of 19 elements. The standard atomic weights of four elements have been revised based on recent determination…
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9.2%-efficient core-shell structured antimony selenide nanorod array solar cells Open
Antimony selenide (Sb 2 Se 3 ) has a one-dimensional (1D) crystal structure comprising of covalently bonded (Sb 4 Se 6 ) n ribbons stacking together through van der Waals force. This special structure results in anisotropic optical and ele…
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Selenium for preventing cancer Open
Well-designed and well-conducted RCTs have shown no beneficial effect of selenium supplements in reducing cancer risk (high certainty of evidence). Some RCTs have raised concerns by reporting a higher incidence of high-grade prostate cance…
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Selenium–Fascinating Microelement, Properties and Sources in Food Open
Selenium is a micronutrient that is essential for the proper functioning of all organisms. Studies on the functions of selenium are rapidly developing. This element is a cofactor of many enzymes, for example, glutathione peroxidase or thio…
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Nano-selenium and its nanomedicine applications: a critical review Open
Traditional supplements of selenium generally have a low degree of absorption and increased toxicity. Therefore, it is imperative to develop innovative systems as transporters of selenium compounds, which would raise the bioavailability of…
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An Overview of Hazardous Impacts of Soil Salinity in Crops, Tolerance Mechanisms, and Amelioration through Selenium Supplementation Open
Soil salinization is one of the major environmental stressors hampering the growth and yield of crops all over the world. A wide spectrum of physiological and biochemical alterations of plants are induced by salinity, which causes lowered …
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Selenium-Dependent Antioxidant Enzymes: Actions and Properties of Selenoproteins Open
Unlike other essential trace elements that interact with proteins in the form of cofactors, selenium (Se) becomes co-translationally incorporated into the polypeptide chain as part of 21st naturally occurring amino acid, selenocysteine (Se…
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Selenium Compounds as Novel Potential Anticancer Agents Open
The high number of new cancer incidences and the associated mortality continue to be alarming, leading to the search for new therapies that would be more effective and less burdensome for patients. As there is evidence that Se compounds ca…
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Current Knowledge on the Importance of Selenium in Food for Living Organisms: A Review Open
Selenium is one of the elements classified within the group of micronutrients which are necessary in trace amounts for the proper functioning of organisms. Selenium participates in the protection of cells against excess H2O2, in heavy meta…
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Selenium intake, status, and health: a complex relationship Open
Both selenium (Se) deficiency and excess are found in natural locations throughout the world, though Se excess can also be caused by supplementation with Se. Both have been associated with adverse health effects that have often been charac…
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Selenium deficiency risk predicted to increase under future climate change Open
Significance The trace element selenium is essential for human health and is required in a narrow dietary concentration range. Insufficient selenium intake has been estimated to affect up to 1 billion people worldwide. Dietary selenium ava…
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Selenium‐Enriched Nickel Selenide Nanosheets as a Robust Electrocatalyst for Hydrogen Generation Open
To address the urgent need for clean and sustainable energy, the rapid development of hydrogen‐based technologies has started to revolutionize the use of earth‐abundant noble‐metal‐free catalysts for the hydrogen evolution reaction (HER). …
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Role of Minerals and Trace Elements in Diabetes and Insulin Resistance Open
Minerals and trace elements are micronutrients that are essential to the human body but present only in traceable amounts. Nonetheless, they exhibit well-defined biochemical functions. Deficiencies in these micronutrients are related to wi…
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Selenium Nanoparticles for Biomedical Applications: From Development and Characterization to Therapeutics Open
Selenium (Se) is an essential element to human health that can be obtained in nature through several sources. In the human body, it is incorporated into selenocysteine, an amino acid used to synthesize several selenoproteins, which have an…
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High-Performance Hybrid Electronic Devices from Layered PtSe<sub>2</sub>Films Grown at Low Temperature Open
Layered two-dimensional (2D) materials display great potential for a range of applications, particularly in electronics. We report the large-scale synthesis of thin films of platinum diselenide (PtSe2), a thus far scarcely investigated tra…
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Nutrition and Metabolism of Minerals in Fish Open
Aquatic animals have unique physiological mechanisms to absorb and retain minerals from their diets and water. Research and development in the area of mineral nutrition of farmed fish and crustaceans have been relatively slow and major gap…
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Phytofabrication of Selenium Nanoparticles From Emblica officinalis Fruit Extract and Exploring Its Biopotential Applications: Antioxidant, Antimicrobial, and Biocompatibility Open
In the present study, phytofabricated selenium nanoparticles (PF-SeNPs) were prepared from aqueous fruit extract of Emblica officinalis in a facile, green, economic, tactic and eco-friendly way. The aqueous fruit extract of E. officinalis …
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Selenium and Thyroid Disease: From Pathophysiology to Treatment Open
Introduction. Selenium is a micronutrient embedded in several proteins. In adults, the thyroid is the organ with the highest amount of selenium per gram of tissue. Selenium levels in the body depend on the characteristics of the population…
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The Role of Selenium in Pathologies: An Updated Review Open
Selenium is an essential microelement required for a number of biological functions. Selenium—and more specifically the amino acid selenocysteine—is present in at least 25 human selenoproteins involved in a wide variety of essential biolog…
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Interactions of Silicon With Essential and Beneficial Elements in Plants Open
Silicon (Si) is not classified as an essential element for plants, but numerous studies have demonstrated its beneficial effects in a variety of species and environmental conditions, including low nutrient availability. Application of Si s…
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Zinc, Magnesium, Selenium and Depression: A Review of the Evidence, Potential Mechanisms and Implications Open
Micronutrient deficiency and depression are major global health problems. Here, we first review recent empirical evidence of the association between several micronutrients—zinc, magnesium, selenium—and depression. We then present potential…
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Seaweed Potential in the Animal Feed: A Review Open
Seaweed (known as marine algae) has a tradition of being part of the animal feed in the coastal areas, from ancient times. Seaweeds, are mixed with animal feed, because when consumed alone can have negative impact on animals. Thus, seaweed…
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Selenium nanoparticles: a review on synthesis and biomedical applications Open
Selenium is a trace and essential micronutrient for the health of humans, animals, and microorganisms.
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Biological Activity of Selenium and Its Impact on Human Health Open
Selenium (Se) is a naturally occurring metalloid element essential to human and animal health in trace amounts but it is harmful in excess. Se plays a substantial role in the functioning of the human organism. It is incorporated into selen…
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The Role of Selenium in Arsenic and Cadmium Toxicity: an Updated Review of Scientific Literature Open
Arsenic (As) and cadmium (Cd) are elements arousing major public health concerns associated with environmental pollution, high toxicity potential, and carcinogenic nature. However, selenium (Se) at low doses and incorporated into enzymes a…
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Supplementation of Micronutrient Selenium in Metabolic Diseases: Its Role as an Antioxidant Open
Selenium is an essential mineral naturally found in soil, water, and some of the food. As an antioxidant, it is one of the necessary trace elements in human body and has been suggested as a dietary supplement for health benefit. Although t…
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A pyrolyzed polyacrylonitrile/selenium disulfide composite cathode with remarkable lithium and sodium storage performances Open
A pyrolyzed polyacrylonitrile/selenium disulfide composite cathode manifests high performance for both lithium and sodium storage.